LED light bulbs swept in a revolution in safe lighting. But many people still risk fire at home because the bulbs are expensive to manufacture. UJ physics researchers discover they can get double the ...

As people across the globe are switching to LED lights in an effort to save energy and money, they may be making another problem worse. Light pollution has been a growing problem for decades, and the ...

This article was featured in One Great Story, New York’s reading recommendation newsletter. Sign up here to get it nightly. The lightbulb was flickering over my head. Not the idealized cartoon ...